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Tannic acid
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Tannic acid

  • Product Name : Tannic acid
  • Grade : IP / BP / USP
  • Therapeutic Category : Astringent agent
  • CAS No : 1401-55-4
  • COA : Available
  • MSDS : Available


Tannic acid is found in the nutgalls formed by insects on twigs of certain oak trees (Quercus infectoria and other Quercus species). It is removed and used as medicine.


Historically, tannic acid was used along with activated charcoal and magnesium oxide in the “universal antidote,” formerly used for poisoning. These three ingredients in combination were believed to work better at absorbing poisons than any of the ingredients alone. Unfortunately, the activated charcoal soaked up the tannic acid, more or less inactivating it. This made the combination less effective.


These days, people apply tannic acid directly to the affected area to treat cold sores and fever blisters, diaper rash and prickly heat, poison ivy, ingrown toenails, sore throat, sore tonsils, spongy or receding gums, and skinrashes; and to stop bleeding.







Light yellow powder


92% min

Loss on drying

9.0% max

Residue on ignition

0.1% max

Heavy metal

20ppm max


3ppm max

Total color



 Packaging details:


Packaging details:

25kg/drum with double plastic bags inside; packed in a cardboard drum or fiber HDPE drum.


Stored in a clean, cool, dry area; keep away from moisture and strong, direct light/heat

Shelf Life:

5 years if sealed and store away from direct sun light.